Tools & Wizards About Us
lcwo.net screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lcwo.net

Welcome to LCWO.net - Learn Morse Code (CW) Online! - Learn CW Online

Page Load Speed

1.5 sec in total

First Response

428 ms

Resources Loaded

919 ms

Page Rendered

113 ms

lcwo.net screenshot

About Website

Welcome to lcwo.net homepage info - get ready to check LCWO best content for United States right away, or after learning these important things about lcwo.net

Learn CW Online - At LCWO you can learn Morse Code (CW) online, in your web browser!

Visit lcwo.net

Key Findings

We analyzed Lcwo.net page load time and found that the first response time was 428 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

lcwo.net performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

lcwo.net

428 ms

style.css

120 ms

swfobject.js

238 ms

t_mini-b.png

21 ms

lcwo-bg.png

121 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 90% of them (9 requests) were addressed to the original Lcwo.net, 10% (1 request) were made to Twitter-badges.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (428 ms) belongs to the original domain Lcwo.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.2 kB (45%)

Content Size

40.9 kB

After Optimization

22.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lcwo.net main page is 40.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 19.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 7.0 kB

  • Original 10.5 kB
  • After minification 10.3 kB
  • After compression 3.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.0 kB or 67% of the original size.

Image Optimization

-16%

Potential reduce by 3.2 kB

  • Original 19.3 kB
  • After minification 16.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, LCWO needs image optimization as it can save up to 3.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 4.8 kB

  • Original 6.9 kB
  • After minification 6.6 kB
  • After compression 2.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.8 kB or 69% of the original size.

CSS Optimization

-79%

Potential reduce by 3.3 kB

  • Original 4.2 kB
  • After minification 3.3 kB
  • After compression 871 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lcwo.net needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LCWO. According to our analytics all requests are already optimized.

Network Requests Diagram

lcwo.net

lcwo.net

428 ms

style.css

style.css

120 ms

swfobject.js

swfobject.js

238 ms

t_mini-b.png

t_mini-b.png

21 ms

lcwo-bg.png

lcwo-bg.png

121 ms

lcwo.png

lcwo.png

235 ms

menu2.png

menu2.png

240 ms

menusep2.png

menusep2.png

239 ms

feed.png

feed.png

239 ms

digg.png

digg.png

240 ms

Accessibility Review

lcwo.net accessibility score

51

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

lcwo.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

lcwo.net SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lcwo.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lcwo.net main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

lcwo.net

Open Graph description is not detected on the main page of LCWO. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: